If I won a million dollars, I (a)   (buy) a new car

What would you do if you (a)   (have) time?

She (a)   (not/come) if her sister didn't bring her.

If I (a)   (speak) to him directly, I might be able to convince her.

If Elizabeth (a)   (marry) him, she would be happy.

Complete with your own idea:

If I were famous.......